Forecast Details for Lewiston, NE

Recent Locations: Columbia, SD Freedom, WI Lewiston, NE

Overnight: Rain and possibly a thunderstorm. Low around 46. East wind around 14 mph, with gusts as high as 21 mph. Chance of precipitation is 100%. New rainfall amounts between a half and three quarters of an inch possible.

Thursday: Rain and thunderstorms likely before 11am, then a slight chance of rain between 11am and noon. Mostly cloudy, with a high near 61. Breezy, with a south wind 14 to 21 mph becoming west northwest in the afternoon. Winds could gust as high as 29 mph. Chance of precipitation is 60%. New precipitation amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Thursday Night: Partly cloudy, with a low around 42. West northwest wind 7 to 15 mph becoming east southeast after midnight. Winds could gust as high as 23 mph.

Friday: A chance of rain, with thunderstorms also possible after 1pm. Cloudy, then gradually becoming mostly sunny, with a high near 69. Breezy, with an east southeast wind 17 to 20 mph becoming west northwest in the afternoon. Winds could gust as high as 28 mph. Chance of precipitation is 50%. New rainfall amounts between a tenth and quarter of an inch, except higher amounts possible in thunderstorms.

Friday Night: Partly cloudy, with a low around 33. Breezy, with a west northwest wind 14 to 18 mph, with gusts as high as 25 mph.

Saturday: Mostly sunny, with a high near 53. Breezy, with a west northwest wind 18 to 22 mph, with gusts as high as 32 mph.

Saturday Night: Mostly clear, with a low around 29. Northwest wind 6 to 16 mph, with gusts as high as 24 mph.

Sunday: Sunny, with a high near 63. Northwest wind 7 to 9 mph.

Sunday Night: Mostly clear, with a low around 37. North wind 6 to 9 mph becoming south after midnight.

Monday: Mostly sunny, with a high near 59. Northeast wind 10 to 15 mph, with gusts as high as 22 mph.

Monday Night: A chance of rain and snow. Mostly cloudy, with a low around 33. East northeast wind around 14 mph, with gusts as high as 21 mph.

Tuesday: A slight chance of rain and snow. Partly sunny, with a high near 55. Breezy, with a southeast wind 16 to 18 mph, with gusts as high as 25 mph.

Tuesday Night: A slight chance of rain. Mostly cloudy, with a low around 39. Breezy, with a southeast wind around 18 mph, with gusts as high as 24 mph.

Wednesday: A slight chance of rain. Mostly sunny, with a high near 70. Windy, with a south wind 18 to 25 mph, with gusts as high as 33 mph.

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North America Water Vapor (Moisture)

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Weather Topic: What are Mammatus Clouds?

Home - Education - Cloud Types - Mammatus Clouds

Mammatus Clouds Next Topic: Nimbostratus Clouds

A mammatus cloud is a cloud with a unique feature which resembles a web of pouches hanging along the base of the cloud.

In the United States, mammatus clouds tend to form in the warmer months, commonly in the Midwest and eastern regions.

While they usually form at the bottom of a cumulonimbis cloud, they can also form under altostratus, altocumulus, stratocumulus, and cirrus clouds. Mammatus clouds warn that severe weather is close.

Next Topic: Nimbostratus Clouds

Weather Topic: What is Precipitation?

Home - Education - Precipitation - Precipitation

Next Topic: Rain

Precipitation can refer to many different forms of water that may fall from clouds. Precipitation occurs after a cloud has become saturated to the point where its water particles are more dense than the air below the cloud.

In most cases, precipitation will reach the ground, but it is not uncommon for precipitation to evaporate before it reaches the earth's surface. When precipitation evaporates before it contacts the ground it is called Virga. Graupel, hail, sleet, rain, drizzle, and snow are forms of precipitation, but fog and mist are not considered precipitation because the water vapor which constitutes them isn't dense enough to fall to the ground.

Next Topic: Rain